Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 960866cc3f4c97edde9054d7bb3c186e81eaca18663ae71364ef2accc342c12e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^